Unverified50% confidenceFactExact time
英伟达GB300是Blackwell架构旗舰计算卡，单卡HBM3e显存高达288GB
1
Sources
50%
Confidence
Long-term
Relevance
7/11/2026
First Seen
Sources
Related Claims
UnverifiedNVIDIA's GB300 is the flagship of the Blackwell Ultra architecture, with a single chip featuring 288 GB of HBM3e memory capacity and total memory bandwidth exceeding 16 TB/s, an improvement of nearly 5× over the H100's 3.35 TB/s.84% similarUnverifiedThe GB300 is NVIDIA's flagship data center chip in the Blackwell Ultra series, integrating HBM3e memory with a single-card capacity of 288 GB.83% similarUnverifiedThe GB300 integrates HBM3e high-bandwidth memory, with a single-card capacity of up to 288GB and memory bandwidth exceeding 10TB/s70% similarUnverifiedCurrently, a single HBM3e stack has a maximum capacity of approximately 36GB.69% similarUnverified腾讯混元发布了Hunyuan3（Hi3）的1Bit和4Bit量化版本，原版模型总参数295B，BF16权重接近598G，1Bit版本压缩后单张96G显存显卡即可运行68% similar
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